<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <title>跳转中...</title>
    <script>
        var url = "$!url";
        if(url.length > 0)
            window.location.href = url;
        else{
            alert("请传入跳转地址");
        }
    </script>
</head>
<body>
</body>
</html>